{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "RNA", "DNA", "protein"], "input": "Thus, we postulated that the circadian modification of GR was independent of the diurnal fluctuations in plasma cortisol level or the circadian variations in environmental lighting and that the rhythmicity might be regulated by the ' circadian pacemaker ' located in the human basal brain ."}
{"cell line": [], "RNA": [], "DNA": [], "protein": ["GR"]}